<template>

    <div class="nav-bar">
        <div class="left"><slot name="left"></slot></div>
        <div class="center"><slot name="center"></slot></div>
        <div class="right"><slot name="right"></slot></div>
    </div>
</template>
<script>

export default {
    name:'NavBar'
}
</script>
<style scoped>
 .nav-bar{
     display: flex;
      /* 导航高度一般都是44px */
     line-height: 44px; 
     height: 44px;
     text-align: center;
     box-shadow: 0 1px 1px rgba(100, 100,100,.1);
 }
 .left,.right{
     width: 60px;
 }
 .center{
     flex: 1;
 }
</style>
